Ralph Lauren Testing Fitness Tracking Shirt at U.S. Open

Wearable tech and fashion are about to collide on one of the world's most-watched tennis courts. At this year's U.S. Open, the tennis-watching world will get its first glimpse of the Polo Tech smart shirt, new wearable technology brought to you by one of the world's leading fashion designers: Ralph Lauren.

The compression shirt, which will be worn by ball boys during the tournament, features biometric technology from OMSignal and the signature design of Ralph Lauren. Put it on and it reads activity (steps, how long you're active), breathing and heart rate and delivers it all in real-time ...